Home / 7,242.32-9,992.76-4,097.36

Finding the Fourth Proportional to 7,242.32, 9,992.76 and 4,097.36

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Solution

The fourth proportional to 7,242.32, 9,992.76 and 4,097.36 is: 5,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.32 : 9,992.76 = 4,097.36 : x
  2. Step 2: Convert to fraction form
    7,242.32/9,992.76 = 4,097.36/x
  3. Step 3: Cross multiply
    7,242.32x = 9,992.76 × 4,097.36
  4. Step 4: Simplify right side
    7,242.32x = 40,943,935.11
  5. Step 5: Solve for x
    x = 40,943,935.11/7,242.32
  6. Step 6: Final answer
    x = 5,653.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.